import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.Timer;
import java.applet.*;
import javax.sound.sampled.*;
import java.net.URL;

public class OOPASS2 extends JFrame /*implements ActionListener,MouseListener,MouseMotionListener*/
{
    int ex,ey;
    ImageIcon image1 = new ImageIcon("Gun.png");
    ImageIcon image2 = new ImageIcon("Gun2.png");
    ImageIcon image3 = new ImageIcon("cross.png");
    ImageIcon image4 = new ImageIcon("brick.png");
    AudioClip bg;    
    Timer swTimer;
    Coor obj;
    Container c;

    public void main(String[] args){
        JFrame frame = new JFrame("asd");
        c=getContentPane();
        c.setLayout(new FlowLayout());
        //bg = getAudioClip(getDocumentBase(),"fire.wav");
        URL urlClick = getClass().getResource("fire.wav");
        bg = Applet.newAudioClip(urlClick);
    
        setSize(900, 500);
        //addMouseListener(this);
        //addMouseMotionListener(this);

        frame.setSize(300,300);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
    }
    
/*public void actionPerformed(ActionEvent event )
{
    repaint();
}*/

/*public void mousePressed(MouseEvent event)
    {
Graphics g= getGraphics();
    super.paint(g);
    int x = 20 + (int) (Math.random() * 850);
    image4.paintIcon(this,g,1,370);
    image2.paintIcon(this,g,ex,300);

    bg.play();
    
    }

public void mouseReleased(MouseEvent event)
    {
    Graphics g= getGraphics();
    super.paint(g);
    int x = 20 + (int) (Math.random() * 850);
    image4.paintIcon(this,g,1,370);
    image1.paintIcon(this,g,ex,300);
    
    }
public void mouseClicked(MouseEvent event)
    {
        
    }
public void mouseEntered(MouseEvent event)
    {
    
    }
public void mouseExited(MouseEvent event)
    {
    }
public void mouseDragged(MouseEvent e)
    {
        
    }
public void mouseMoved(MouseEvent e)
    {
    Graphics g= getGraphics();
    super.paint(g);
    ex=e.getX();
    ey=e.getY();
    image3.paintIcon(this,g,ex-48,ey-36);
    image4.paintIcon(this,g,1,370);
    image1.paintIcon(this,g,ex,300);
    
    }
    public void paint(Graphics g){
        
        int x = 20 + (int) (Math.random() * 850);
        int y = 20 + (int) (Math.random() * 450);
        super.paint(g);
        image4.paintIcon(this,g,1,370);
        image1.paintIcon(this,g,200,340);
        
    }*/
    
}


ผม คอมเม้นไว้เหลือๆ นิดๆหน่อย ไม่กี่โค้ด แต่ก็ยังไม่ออก Error Main อะไรไม่รู้ตอนรัน